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    • 6. 发明公开
    • VENTILVORRICHTUNG ZUR ABGASRÜCKFÜHRUNG AN EINEM VERBRENNUNGSMOTOR
    • VENTILVORRICHTUNG ZURABGASRÜCKFÜHRUNGAN EINEM VERBRENNUNGSMOTOR
    • EP3224466A1
    • 2017-10-04
    • EP15781366.8
    • 2015-10-19
    • Pierburg GmbH
    • PAFFRATH, HolgerSUTTY, Patrick
    • F02M26/00
    • F02M26/69F02M26/05F02M26/22F02M26/39F02M26/42F02M26/47F02M26/54
    • Previously known valve mechanisms for recirculating exhaust gas on an internal combustion engine comprise a housing (48) that has at least one intake duct (50; 52) and at least one discharge duct (56), two valve seats (60, 68) in the housing (48), and two adjustment members (62, 70) which can be synchronously actuated by a joint actuator (76) and each of which is associated with one valve seat (60, 68), respectively, in order to adjust a flow area (64, 72). In order to improve the gas dynamics of the connected internal combustion engine, according to the invention, a first intake duct (50) and a second intake duct (52) that are separated by a partition (59) are formed in the housing (48), and the unobstructed flow area (64) of both intake ducts (50, 52) on the first valve seat (60) can be adjusted by changing the position of the first adjustment member (62) in relation to the first valve seat (60). In the closed state of the valve mechanism, a design of said type allows the radiator volume to be completely separated from the intake and discharge pipes.
    • 用于使内燃机上的废气再循环的先前已知的阀机构包括具有至少一个进气管道(50; 52)和至少一个排气管道(56)的壳体(48),两个阀座(60,68) 所述壳体(48)和两个调节构件(62,70),所述两个调节构件能够通过接头致动器(76)同步致动并且每个调节构件分别与一个阀座(60,68)相关联,以调节 流动区域(64,72)。 为了改善所连接的内燃机的气体动力学,根据本发明,在外壳(48)中形成由隔板(59)分开的第一进气管道(50)和第二进气管道(52) )和第一阀座(60)上的两个进气管道(50,52)的畅通的流动区域(64)可通过改变第一调节构件(62)相对于第一阀座(60)的位置 60)。 在阀机构的关闭状态下,所述类型的设计允许散热器体积与进气和排气管完全分离。